Thank you for viewing. These are #10 hook size, deer hair trout gums. If you win the auction, please select 10 colors you would like. Each square in the photo is 1cm x 1cm. Thank you. Please take a look at my other listings if you'd like. Size: Hook size #10, barbless, approximately 0.4 grams when dry. Color: Bead color is gold. Fly colors are (from top left): black, white, dark brown, brown, natural, blue, sky blue, purple, orange, red, pink, light pink, yellow, lemon yellow, green, olive, lime green, gold, silver, and bronze. If you have any other requests, please contact me through the question section. I will try to accommodate them as flexibly as possible. Fishing type...Fly Fishing type...Lure Fish species...Trout/Salmon/Tokishirazu (immature salmon) Features...For area trout, handmade, sinking